add half done self managed version

self-managed/security.tf

@@ -0,0 +1,43 @@
+resource "oci_core_default_security_list" "default_security_list" {
+  compartment_id             = var.compartment_ocid
+  manage_default_resource_id = oci_core_vcn.default_oci_core_vcn.default_security_list_id
+
+  display_name = "Default security list"
+  egress_security_rules {
+    destination = "0.0.0.0/0"
+    protocol    = "all"
+  }
+
+  ingress_security_rules {
+    protocol = 1 # icmp
+    source   = var.my_public_ip_cidr
+
+    description = "Allow icmp from  ${var.my_public_ip_cidr}"
+
+  }
+
+  ingress_security_rules {
+    protocol = 6 # tcp
+    source   = var.my_public_ip_cidr
+
+    description = "Allow SSH from ${var.my_public_ip_cidr}"
+
+    tcp_options {
+      min = 22
+      max = 22
+    }
+  }
+
+  ingress_security_rules {
+    protocol = "all"
+    source   = var.oci_core_vcn_cidr
+
+    description = "Allow all from vcn subnet"
+  }
+
+  freeform_tags = {
+    "provisioner"           = "terraform"
+    "environment"           = "${var.environment}"
+    "${var.unique_tag_key}" = "${var.unique_tag_value}"
+  }
+}